build(deps): bump webtools from 7a78944 to 69cb783

Bumps [webtools](https://github.com/espruino/EspruinoWebTools) from `7a78944` to `69cb783`.
- [Commits](espruino/EspruinoWebTools@7a78944...69cb783)

---
updated-dependencies:
- dependency-name: webtools
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>